Melbourne, Jan. 27 -- World No. 1 Aryna Sabalenka defied sweltering heat in Melbourne on Tuesday to overwhelm teenager Iva Jovic in the quarterfinals of the Australian Open.

Sabalenka took another step toward reclaiming the title she won at Melbourne Park in 2023 and 2024.

There were moments in the tournament's first week when Sabalenka's form was patchy, but she was sharp and composed in an 89-minute 6-3, 6-0 victory over 18-year-old Jovic.

"It was a tough match. Don't look at the score, it wasn't easy at all," Sabalenka said modestly. "I'm super happy with the win."Temperatures were forecast to reach 45 degrees Celsius on Tuesday and had already hit 35 degrees by the start of the match.

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